Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960755 | Internal combustion engine with variable camshaft timing and variable duration exhaust event | Matthew Byrne Diggs, Robert A. Stein | 1999-10-05 |
| 5410876 | Catalytic converter assembly with bypass | — | 1995-05-02 |
| 5305719 | Engine camshaft deactivation mechanism | James R. Clarke, Roy E. Diehl | 1994-04-26 |
| 5297508 | Variable camshaft drive system for internal combustion engine | James R. Clarke, Robert A. Stein | 1994-03-29 |
| 5178103 | Variable compression ratio piston | — | 1993-01-12 |
| 5161497 | Variable valve timing operated engine | Robert A. Stein | 1992-11-10 |
| 5136987 | Variable displacement and compression ratio piston engine | Michael M. Schechter, Michael Levin | 1992-08-11 |
| 5121717 | Internal combustion engine camshaft phase shift control system | Michael M. Schechter | 1992-06-16 |
| 5117784 | Internal combustion engine camshaft phaseshift control system | Michael M. Schechter | 1992-06-02 |
| 5069175 | Charge intake system for a multi-intake valve per cylinder engine | — | 1991-12-03 |
| 4682575 | Low friction high speed rocker arm | — | 1987-07-28 |
| 4631451 | Blast gap ignition system | Richard W. Anderson, Joseph R. Asik, Richard C. Ronzi | 1986-12-23 |
| 4583509 | Diesel fuel injection system | Michael M. Schechter | 1986-04-22 |
| 4561391 | Four valve for cylinder engine with single overhead camshaft | — | 1985-12-31 |
| 4541394 | Fuel injection pump | Michael M. Schechter | 1985-09-17 |
| 4484551 | Air-air/fuel control device | Michael Choma, Philip William Husak | 1984-11-27 |
| 4446830 | Method of operating an engine with a high heat of vaporization fuel | Peter H. Havstad, Joseph A. Harrington | 1984-05-08 |
| 4386587 | Two stroke cycle engine with increased efficiency | — | 1983-06-07 |
| 4379442 | Electromagnetically controlled fuel injection pump | — | 1983-04-12 |
| 4301825 | Fuel flow control valve assembly | — | 1981-11-24 |
| 4248193 | Fuel injection fuel control system | Michael Choma, Michael M. Schechter, Wallace R. Wade | 1981-02-03 |
| 4240395 | Air/fuel ratio controller | Michale M. Schechter | 1980-12-23 |
| 4239023 | Fuel injection system for dual combustion chamber engine | — | 1980-12-16 |
| 4213435 | Air/fuel ratio regulator | — | 1980-07-22 |
| 4208995 | Fuel injection fuel flow control system | Michael Choma, Michael M. Schechter | 1980-06-24 |